Ringed membrane



FIG. 1 is a top perspective view of a ringed membrane;

FIG. 2 is a front view of the ringed membrane;

FIG. 3 is a rear view of the ringed membrane;

FIG. 4 is a right side view of the ringed membrane;

FIG. 5 is a left side view of the ringed membrane;

FIG. 6 is a top view of the ringed membrane; and,

FIG. 7 is a bottom view of the ringed membrane.

The broken lines shown in the drawings of a ringed membrane are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a ringed membrane, as shown and described. 